SteveWhat is the real name of a "Hard Head Stone"?Steve,Are you referring to "NH"? Is that the same thing? The ones that I have seen are almost blue...

Depends? 100'? 100.0'? 100.00'? 1+00.00'?Centerline has already been established and alignment will be loaded into data collector. Two lane, rural hi...

Dan,Do you know who it was? Did the company name start with an "S"?

It is a pk nail in a washer in the concrete floor at the center of a hangar door at the airport. I found another one at the corner of the terminal bu...

Story CountyThe three next closest marks are roughly 330', 2700', and 4,400'.

I looked for a datasheet for it, but could not find one.